Finding the Third Proportional to 28,126,724 and 42,264,972

Step by Step Solution

1. Step 1: Write the proportion equation
   28,126,724 : 42,264,972 = 42,264,972 : x
2. Step 2: Convert to fraction form
   28,126,724/42,264,972 = 42,264,972/x
3. Step 3: Cross multiply
   28,126,724x = 42,264,972 × 42,264,972
4. Step 4: Simplify right side
   28,126,724x = 1,786,327,858,160,784
5. Step 5: Solve for x
   x = 1,786,327,858,160,784/28,126,724
6. Step 6: Final answer
   x = 63,509,986.38